Siemens 3RT2028-2AB04 Power Contactor 38A, 18.5 kW, 3-Pole, 24V AC, Auxiliary Contacts Original Brand New

Overview

The Siemens SIRIUS 3RT2028-2AB04 Power Contactor is a high-performance, durable switching device designed for controlling electric motors and resistive loads. Part of the trusted Siemens SIRIUS modular system, this 3-pole contactor is built for applications requiring high operational reliability and compact design, meeting the new efficiency standards of AC-3e/AC-3. Its removable auxiliary switch block and spring-loaded terminals ensure quick installation, secure connections, and simplified maintenance in industrial control panels and automation systems.

Key Features & Function

• Rated Current: 38 A for AC-3 / AC-3e applications

• Rated Power: 18.5 kW at 400 V

• Poles: 3-pole contactor for versatile applications

• Coil Voltage: 24 V AC, 50 Hz

• Auxiliary Contacts: 2 NO + 2 NC for flexible control options

• Terminal Type: Spring-loaded for secure, reliable connections

• Size: S0 compact design

• Additional Functionality: Removable auxiliary switch for easy replacement

• Durable Construction: Designed for long-lasting performance in industrial environments

Benefit

1. Reliable Motor Control: Handles high AC loads efficiently.

2. Easy Installation: Spring-loaded terminals reduce wiring effort.

3. Flexible Automation: 2 NO + 2 NC auxiliary contacts enable advanced control schemes.

4. Maintenance Friendly: Removable auxiliary switch allows quick replacement without downtime.

5. Compact Design: Saves space in control panels while maintaining performance.

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